*{margin:0 auto; padding:0;}
#left{
	float:left;
	width:15%;
	background-color: #f1f1f1;
}
#p{
	margin-top: 10%;
    margin-left: 4%;
}
#right{
	height:600px;
	float:right;
	width:85%;
}
#qqq{
	text-align: center;
    font-size: 26px;
    margin-top: 3%;
    margin-bottom: 3%;
    color: #ec6363;
}
ul {
    list-style-type: none;
    margin: 0;
    width: 15%;
    background-color: #f1f1f1;
    position: fixed;
    height: 100%;
    overflow: auto;
}
li{
	text-align: center;
}

li a {
    display: block;
    color: #000;
    padding: 25px 16px;
    text-decoration: none;
    font-size: 22px;
}

li a.active {
    background-color: #4CAF50;
    color: white;
}

li a:hover:not(.active) {
    background-color: #555;
    color: white;
}